Microsoft Insider Previews

Between Windows 10, Windows 10 Mobile and Xbox, as well as the fast and slow and every other ring, there's a lot to keep up with when it comes to Microsoft's Insider Preview programs. So right here you'll be able to keep tabs on the very latest previews!

Windows 10 Insider Preview

Microsoft is currently developing the next major release of Windows 10, known as the Fall Creators Update. Codenamed "Redstone 3" Microsoft is currently flighting Redstone 3 builds in its Fast and Slow rings, with the Release Preview ring receiving cumulative updates for the Current Branch — the Windows 10 Creators Update.

Build Video Walkthroughs

If you'd rather check out the most noteworthy build changes in video form, make sure you check out our in-depth video walkthroughs of new builds.

Latest Fast Ring: Build 16257

This build includes a new eye tracking function that works with third party hardware such as the Tobii Eye Tracker 4C. It also includes an improved reveal effect within the Settings app, plus many more under the hood improvements and fixes in preparation for the Fall Creators Update RTM.

This build rolled out in two branches. It's available in the RS3_RELEASE branch for Insiders who are continuing to test the Fall Creators Update, and also in the rs_prerelease branch for Insiders who chose to skip ahead to Redstone 4 development. You can learn about skip ahead here.

Check out our more in-depth changelog, including what's new, improved and known issues for build 16257 for PC.

Latest Slow Ring: Build 16251

This is the second Redstone 3 build for users in the Slow ring. It includes several new features for Slow ring Insiders, including My People, Gaming improvements, UI changes and more.

Latest Release Ring: 15063.502

15063.502 is the latest cumulative update available for Insiders on the Release Preview ring that features only under the hood changes and improvements. There are no new features included with this update.

Windows 10 Mobile Insider Preview

The current Windows 10 Mobile Insider Preview builds are incredibly stable, likely due to the fact they have no new features currently in testing. These builds are OK for use as a daily driver.

Latest Fast Ring: Build 15237

This build includes a new option that allows the user to use Continuum on a monitor in the portrait orientation. There are also several fixes.

Latest Slow Ring: Build 15230

There are no new features in this build. There are several fixes however.

Release Preview: 15063.502

15063.483 is the latest cumulative updates available for Insiders on the Release Preview ring that features only under the hood changes and improvements. There are no new features included with this update.

Xbox Insider Preview

The Xbox Insider Program is still flighting Redstone 2 builds of Windows to testers. There are several improvements and features in testing however, which you can check out at our detailed Insider Preview page for Xbox.